PrestaShop is surely an open-source ecommerce System that allows merchants build their website and store to be able to market place their products and services online. Now adhere to themes > typical > assets > js folder or themes > topic name > property > js folder if you use https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html